Our verdict
The QN990F tackles problems most TVs never attempt. Its Wireless One Connect box holds the sockets and sends picture and sound to the screen from up to 10 metres away, so only a power cable runs to the wall. Its 8K resolution, 7680 x 4320, has four times the pixels of 4K, and the NQ8 AI Gen3 processor upscales ordinary programmes to fill them. Mini LED backlighting drives a very bright picture for rooms where an OLED may look restrained. The engineering is impressive. The buying argument is weaker: broadcast TV, streaming services and consoles are overwhelmingly 4K or below, so the processor spends most of its time creating the extra pixels the screen can show. There is also no Dolby Vision.
Buy it if
- You want a high-end, cable-light wall installation
- Brightness and processing matter more to you than value
- You understand how little native 8K content there is
Skip it if
- You expect regular native 8K films or channels
- Dolby Vision matters to you
- A top 4K OLED would meet the same real use for less
How it would fit your home
Design-led media wall
The Wireless One Connect box can sit up to 10m away, keeping visible cabling unusually tidy.
High-quality upscaling
The NQ8 AI Gen3 processor makes good 4K sources look exceptionally clean on the 8K screen.
8K content buyer
The shortage of native 8K material remains the central reason not to buy it.
The details, in plain English
Picture quality
Mini LED backlighting uses many tiny LEDs that dim in zones, and What Hi-Fi? confirms high brightness, strong processing and impressive contrast for a backlit screen. The 7680 x 4320 resolution needs upscaling for almost everything you watch. Good 4K material looks exceptionally clean, but at normal 65-inch seating distances the step from excellent 4K to 8K is far smaller than the specification suggests. It supports HDR10+ but not Dolby Vision.
Gaming and motion
All five HDMI ports support 8K at 120Hz and 4K at up to 240Hz, far beyond what a PS5 or Xbox Series X needs; only a powerful gaming PC can use it. VRR with FreeSync Premium Pro prevents tearing, and ALLM switches to game mode automatically. Games made natively at 8K remain rare. Any wireless video link adds another step between source and screen, which competitive players should keep in mind.
Sound
The 90W 6.2.4-channel system has speakers for the sides, two bass units and four for height, with Dolby Atmos. Object Tracking Sound Pro moves sound to follow the action on screen. That is fuller than most TVs, and eARC can still send full-quality sound to a soundbar if you want more.
Living with it
The screen is just 12.9mm deep, and the cable-light installation is elegant in a finished room where chasing new wires is hard. Samsung's Tizen menus include the major apps and gaming services, with security updates to 31 December 2030. Samsung quotes typical power use of 112W and a maximum of 335W. Price and the separate box make this a luxury system rather than a simple upgrade.
Strengths and drawbacks
What it does well
- Very bright, detailed Mini LED picture at 8K (7680 x 4320)
- Glare Free screen keeps reflections under excellent control
- Wireless One Connect box up to 10m away reduces visible cabling
- Strong gaming features: VRR with FreeSync Premium Pro, ALLM and up to 4K 240Hz
- 90W 6.2.4-channel speakers with Dolby Atmos
What to watch out for
- Native 8K content is extremely scarce
- Very expensive
- No Dolby Vision: films in that format play in HDR10+ or standard HDR instead
- The wireless box adds another powered component
Flagship 4K OLED TVs give perfect blacks and wider HDR format support, while Samsung's 4K Mini LED models keep bright-room strengths for less. The QN990F is for installation, processing and engineering appeal rather than mainstream value.
Alternatives we have reviewed
| Product | Our verdict | Price | Buy |
|---|---|---|---|
 Samsung QN990F (65-inch) (this one) | A formidable luxury TV for a cable-free wall installation, but its 8K detail is still easier to admire than to use. | £4,999RRP · 65 inches, RRP recorded 12 Oct 2026 | Check price |
 Samsung S95F (QE65S95F) | Our bright-room favourite, with small compromises for films in complete darkness. | £3,399RRP · 65" model, RRP recorded 12 Oct 2026 | Check price |
 Samsung R95H (65-inch) | Impressive technology, but What Hi-Fi?'s independent review found it trails similarly priced OLED TVs, so it is hard to recommend at £3,099. | £3,299RRP · 65 inches, RRP recorded 12 Oct 2026 | Check price |
 Samsung S99H 65-inch | A very bright OLED for bright rooms with superb gaming support, but its design and £3,199 price suit a wall-mounted setup with a soundbar planned. | £3,299RRP · 65-inch television, RRP recorded 12 Oct 2026 | Check price |
Not sure it is the right one for you?
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Where our findings come from
This research-based review combines Samsung's UK listed features with product-specific independent testing of brightness, processing, gaming and 8K limitations. Its buying-guide eligibility reflects real external evidence, not the 8K badge.